java source code of MainActivity

package com.simple.net.demo;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.widget.ListView;

import org.simple.imageloader.cache.DoubleCache;
import org.simple.imageloader.config.ImageLoaderConfig;
import org.simple.imageloader.core.SimpleImageLoader;
import org.simple.imageloader.policy.ReversePolicy;

/**
 * @author mrsimple
 */
public class MainActivity extends FragmentActivity {

    ListView myListView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        FragmentManager fm = getSupportFragmentManager();
        Fragment fragment = fm.findFragmentById(R.id.fragment_container);
        if (fragment == null) {
            fragment = new ImagesFragment();
            fm.beginTransaction().add(R.id.fragment_container, fragment)
                    .commit();
        }

        initImageLoader();

    }

    private void initImageLoader() {
        ImageLoaderConfig config = new ImageLoaderConfig()
                .setLoadingPlaceholder(R.drawable.loading)
                .setNotFoundPlaceholder(R.drawable.not_found)
                .setCache(new DoubleCache(this))
                .setThreadCount(4)
                .setLoadPolicy(new ReversePolicy());
        // 初始化
        SimpleImageLoader.getInstance().init(config);
    }

    @Override
    protected void onDestroy() {
        // 退出时关闭
        SimpleImageLoader.getInstance().stop();
        super.onDestroy();
    }


    public final static String[] imageThumbUrls = new String[] {
            "http://images.newsdog.today/thumb_e2f6cea2ba6ad2035ddce3784d45df74",
            "http://img.my.csdn.net/uploads/201407/26/1406383291_6518.jpg",
            "http://images.newsdog.today/origin_5b86722b2de1e6996abd5770b1c343a8",
            "http://images.newsdog.today/thumb_fa06abd117c930d7199c148ee339c766",
            "http://img.my.csdn.net/uploads/201407/26/1406383290_1042.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383275_3977.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383265_8550.jpg",
            // 以下三张为本地图片,本地图片支持uri格式，形如file:// + 图片绝对路径
            "file:///storage/emulated/0/Camera/P41115-140216.jpg",
            "file:///storage/emulated/0/Camera/P41115-142950.jpg",
            "file:///storage/emulated/0/Camera/P50102-133614.jpg",
            "http://img.my.csdn.net/uploads/201407/26/not_found_haha.jpg", // 不存在的图片
            "http://img.my.csdn.net/uploads/201407/26/1406383264_3954.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383264_4787.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383264_8243.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383248_3693.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383243_5120.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383242_3127.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383242_9576.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383242_1721.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383219_5806.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383214_7794.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383213_4418.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383213_3557.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383210_8779.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383172_4577.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383166_3407.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383166_2224.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383166_7301.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383165_7197.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383150_8410.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383131_3736.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383130_5094.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383130_7393.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383129_8813.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383100_3554.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383093_7894.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383092_2432.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383092_3071.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383091_3119.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383059_6589.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383059_8814.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383059_2237.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383058_4330.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406383038_3602.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382942_3079.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382942_8125.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382942_4881.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382941_4559.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382941_3845.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382924_8955.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382923_2141.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382923_8437.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382922_6166.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382922_4843.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382905_5804.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382904_3362.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382904_2312.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382904_4960.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382900_2418.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382881_4490.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382881_5935.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382880_3865.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382880_4662.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382879_2553.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382862_5375.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382862_1748.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382861_7618.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382861_8606.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382861_8949.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382841_9821.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382840_6603.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382840_2405.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382840_6354.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382839_5779.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382810_7578.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382810_2436.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382809_3883.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382809_6269.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382808_4179.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382790_8326.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382789_7174.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382789_5170.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382789_4118.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382788_9532.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382767_3184.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382767_4772.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382766_4924.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382766_5762.jpg",
            "http://img.my.csdn.net/uploads/201407/26/1406382765_7341.jpg"
    };
}